Three New Cytotoxic Sesterterpenes from a Marine Sponge Spongia sp.

Three New Cytotoxic Sesterterpenes from a Marine Sponge <i>Spongia </i>sp. Three New Cytotoxic Sesterterpenes from the Marine Sponge <i>Hyrtios</i> cf. <i>erectus</i> New Cytotoxic Sesterterpenes from the Sponge <i>Sarcotragus</i> Species New cytotoxic sesterterpenes from the New Caledonian marine sponge Petrosaspongia nigra (Bergquist) New Sesterterpenes from the Sponge <i>Smenospongia </i>sp. Phorbaketals L–N, cytotoxic sesterterpenoids isolated from the marine sponge of the genus Phorbas Bioactive Sulfated Sesterterpene Alkaloids and Sesterterpene Sulfates from the Marine Sponge <i>Fasciospongia</i> sp. Bioactive Sulfated Sesterterpene Alkaloids and Sesterterpene Sulfates from the Marine Sponge <i>Fasciospongia</i> sp. Sesquiterpene Quinones/Hydroquinones from the Marine Sponge <i>Spongia pertusa</i> Esper New Cytotoxic Sesterterpenoids and Norsesterterpenoids from Two Sponges of the Genus <i>Sarcotragus</i>